

MCQOPTIONS
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1. |
Which of the following is the major cause of global warming? |
A. | Re-radiation of U.V. rays by \[C{{O}_{2}}\] and \[{{H}_{2}}O\] |
B. | Re-radiation of I.R. rays by \[C{{O}_{2}}\] and \[{{H}_{2}}O\] |
C. | Re-radiation of I.R. rays by \[{{O}_{2}}\] and \[{{N}_{2}}\] |
D. | Re-radiation of U.V. rays by \[{{O}_{2}}\] and \[{{N}_{2}}\] |
Answer» C. Re-radiation of I.R. rays by \[{{O}_{2}}\] and \[{{N}_{2}}\] | |